Cutting and mixing machine



C. W. HOTTMANN.

CUTTING AND MIXING MACHINE.

/IPPLIcATloN FILED JUNE l2. |919.

2 SHEETS-SHEET l. u v c; v

C. W. HOTTMANN.

cumNG AND lvnxmc MACHINE.

APPLICATION FILED JUNE l2V |919.. 1,314,962. Patented Sept. 2, 1919.

` 2 SHEETS-SHEET 2.

CHARLES W. I-IOTTMANN, OF PHILADELPHIA, PENNSYLVANIA.

CUTTING AND MIXING MACHINE.

Specification of Letters Patent.

Patented Sept. 2, 1919.

Application filed .Tune 12, 1919. Serial No. 303,746.

To all whom t may concern.'

Be it` known that I, CHARLES WV. Horr- MANN, a citizen of the United States, residi. and useful Cutting and Mixinef Machine, of

which thev following is a: speci cation.

In my prior Patent No. 1,017,213, dated Feb. 13, 1912, and my Vprior Patent No. 1,237,907, dated Aug. 21, 1917, I have described and broadly claimed novel constructions of cutting and mixing machines wherein the cutting of the material is effected by means of a dravvcut. Machines of this type have been found in practice to give very advantageous results. In many cases, hoW- ever, a machine constructed in accordance with my present invention is preferable, since the material'is acted upon by cutting mechanism which performs a shear cut instead of a draw cut and the underlying principle of my present` invention is entirely different from that of my prior patents.

, With the above in view, my present invention in its broad and generic scope comprises a-novel `construction and arrangement of a cutting and mixing machine wherein the material to be acted upon is automatically fed underpressure to the cutting mechanism which is mounted on-a feed shaft, and the material is passed into a return feed channel by feed members carried by the first feed shaft, the construction being such that the material in the return feed channel is automatically passed into the feed channel leadin to the cutters.

. y invention further comprehends a novel machineof the type described wherein a slow return feed of the material is obtained.

It further consists of a novel construction A and arrangement of a: casing, a novel construction of cutting mechanism, a novel construction and arrangement of feeding mechanism for the material, a novel construction which has been cut.

Other novel features of construction and advantage will more clearly hereinafter appear in the detailed description of the invention.

For the purpose of illustrating my invention, I have shown in the accompanying drawings a typical embodiment of it which, m practice, will give satisfactory and reliable results. It is, however, to be understood that thisembodiment is typical only, and that the various instrumentalities of which my invention consists can be variously arranged and organized, and that the invention is not limited to the precise arrangement and organization of these instrumentalities as herein set forth.

Figure 1 represents a top plan view of a cutting and mixing machine, embodying my invention.

Fig. .2 represents a section on line 2--2 Fig. 1.

Fig. 3 represents an end view with certain parts removed in order to illustrate more clearly certain features of the driving mechanism.

nFig. a represents a section on line 4-4 of Fig. l.

Fig. 5 represents a section on line 5 5 of Fig. 1.

Fig. `6 represents a plan view of the stationary cutting member.

u Fig. 7 represents a plan view of a revolving .cutting member.

Fig. 8 represents a plan view of a feed member to cause the material which has been cut to be fed from the cutting chamber into the return feed channel.

Fig. 9 represents a section on line 9 9 of Fig. 10.

Fig. 10 represents a section on line 10-10 of Fig. 9.

Similar numerals of reference indicate corresponding parts.

. Referring to the drawings.

1 designates a base or foundation of any desired construction, for example, the floor of the building, which supports the casing 2 of the cutting and mixing machine, which is preferably open at its top in order to facilitate the placing of the material which is to be mixed and cut into the machine. The casing 2 has connected to it in any desired manner a gear casing 3, which is provided with a removable side fl, connected to it by means of fastening devices 5 of any desired character. The gear casing 3 has suitably journalcd in it the main driving shaft 6 which is adapted to be driven inany desired manner, but preferably by means of an electric motor, not shown, which would be intergeared with the gear 7 on the main driving kshaft 6.v V'll'ierlgear 7 meshes with gear 8 mounted lona shaft 9 which is journaledv in thehub 10'offthe side plate'4, and the hub 11 of the `geargc'asing 3 and itsfrear endextends into the casing and is provided -with an enlargement having a polygonal shaped aperture 12.

Theshaft -9 hasiiied to it a-gear 13 which meshes with anidler'14 mounted on a stud shaftA 15, and the idler 14 meshes with agear16 mounted on a Shaft 17 j ournaled in the gear casingj3 andfhaving its forward endextendinginto .the casing 2Q vFiXed tothe shaft 17 vand within the casi f Y ing2, is anarm 18v having: a'slot V19-at its free end. )The casngl2'is provided witha central partition 2O forming the feedchannels-21and 22, vthe-bottoms of which arev semi-cylindric vin contour;V The partition 20 at Yone end. terminates Va desired "distance from the 'wall of thecasingf'to form 'ai port Y 23'whi`ch` is in'communication'withjthe'feed channels-21 and`22.' Thefeedchannel 22,

' which is the return feed channel, has its upi feo which 'isf-loc'ated'in'fthe chamberV 26 andv which communicateswith the returnifeed channel 22 by means of a'port27.`-V The feed Vchannel 21 has, mounted in it a conveyer 'or feed shaft 28 which isl provided with a spiral feed blade 29, one end of the shaft28 having a polygonal contour, asat 30, lin order to shaft 28 has a polygonal shaped contour as i adapt it toV fit in the polygonal shaped recess of theV shaft 9. The opposite end o-f vthe indicated at 31, seemore particularly Figs.y

l 5 ana 10. Y Y

32 designates a cutting'member the hub of which is provided with a polygonal shaped aperture 33 in order toadapt it to fit on the y polygonal shaped `end 31 of -the yconveyer shaft: 28. 4The cutting'rmember 32 is Vprovided `with a desired lnumber of cutting ,blades 34 which fcoperaite with the station-V Y ary, cutting lblades 35 Vcarried byV a hub 36` which is loosely mounted ontherconveyer or feed -shaft, 28. The wall of thek cutting n f' chamber 26 is provided with the longituolifj` nallyV .extending slots 37VV corresponding' in number tofthe' number ofthe stationary Y Y bladesV 35,7ftlie ends of which they receive in order to prevent V,rotation of the stationary cutting blade', as'will be bestgunderstood by f Y the material forwardly, thef feed Vmember 46 is feeding thematerial rearwardly withv frereference to Fig.v 4.Y

Y 38 designatesafeed member thefhiibfof which is provided with a polygonal shaped,AV f Vaperture 39 inV order to adapt it to lit on the feed Vshaft 28 so that it will rotate in unison with vit,.`and this -feed member is provided with offset blades orl paddlesw whichcause Y lugs which are connected to the casing 2, and preferably form an integralY part of it.V 46` designates a hollow, rspiralfeedfconl veyer, one end o fwhichextendsintothe Y with-the'revolution of the shaft 17. "if Y In order to construct the machine in such `fY l 8OYV cut to 'the proper degree of ineness it canv amanner'that after the materialhas been japerture19 so that it will revolve inun'ison"VY be`discharged into a desired container,` I

providea closure47 having handlesn 48 for.,`VV

operatingV it, and provided with lugs' 49 :f

which seat'in the apertures 44`of thelugs 45'.`

Theclosure' 47 is provided withan annularv flange .50 which extends intojthe' cutting chamber26, and it is alsoprovided-withfafYM discharge spout lhavinganydesired con`-V c Y tounf 52 designa-tesa shortshafthaving a polygonal 'shaped aperture `53 which ein'Y tends: into' itV in order to: adapt it to engage' the pelygonally shaped' end 431"offthe ffeed ,Y Y shaftV 28.1 (The shaftl52 carries a spiral feedV l member-;54 the rear.end of `which forms a Vcontinuation of the .forwfftrdY end of the spiralY feedl member 2 9.V V`

` The operation Vof my `no'vel cutting* and Y mixing machineV will now be Vreadilyfap'par-l Y Y ent topthose'skilled vin the a'rtlto Vwhich this invention `appertains and isV as follows The construction and arrangement of the4 Y1 driving 'mechanism' is Vsuch that thel Vspiral I feed member 29 revolves'kat a much higher y speed than the speedY ofV revolution ofthe feed member 46. df, for eXample,the feed m'em'ber29V 1s revolved at ai speed-of 15g() revolutionsper minute, the feedfmember`f46 would preferably revolve at a speedV ofabout 40 revolutions per minute, it being of course YV1-10 understood that the relative speed of rotation of these two feed members can b'e'rvarie'd Y quirements rnetlwith `,in practice* l r -in accordancewith 'the.conditions'gandfre Y f m'embergin the feed channel 21 together with the' cuttingumember 32 andnfeed member 38 1 f 120 y speed.r the same time, the feedrmember Y V46 :willbe revolved in a reverse directionto.

will be revolved at afcomparatively Yhigh the direction of rotationofV thejfeed member 29 so-that whilel the feed member'29 feeds-'2 125 Y spect to ,the` cutting chamber 26.

relents the'feed member 46 issuch that the material will passthrough port23-into the feed channel 21 and as soon as it passes intol the compression chamber 25 it will be forced f or l wardlyv through the openings in the cutting members, and the rapidly revolving cutter 3,2- coperating with the stationary cutter 36 will cut the material with a shear cut in a manner similar to that obtained by a pair of scissors. The material passes through the cutting members and since the feed member 38'revolves in unison with the feed shaft 28, it will feed the cutmaterial from the cutting chamber 26 into the mixing channel or chamber 22, and the material is fed rearwardly by the feed member 46, as is apparent.

As before explained, any desired seasoning or other material may be added to the material, preferably by placing it in the feed chamber 22 so that all ofthe material will be thoroughly mixed.

As soon as the material has been reduced to the desired degree of fineness, the closure 41 is removed and also the feed member 38,

stationary cutting member 36 and the rotatable cutting member 32. The shaft 52 is then fitted on the end of the feed shaft 28 and the closure 47 secured in position as will be understood by reference to Fig. 9. The saussage casings, bags or other containers, depending upon the character of the material, are then vbrought into proper relation with respect to the spout 51 and the material in the feed casing 2 will be discharged through the spout 54 into the, containers when the machine is now operated.

A machine constructed in accordance with my present invention is adapted to' cut a eat variety of material which cannot be satisfactorily operated upon in machines such as disclosed in my rprior patents, to which I have hereinbefore referred.

It will be apparent that a machine constructed in accordance `with my present invention may be readily maintained in a sanitary condition, since the feed shaft 28 and the cutting mechanism may be withdrawn through the cutting chamber as soon as thel closure 41 has been removed. The shaft 46 may also be readily disengaged from its driving arm 18 by turning it at a slight angle and removing the free end of the shaft from the slot 19 in such arm 18.

It will be further apparent that as soon as the closure 41 is removed the cutting mechanism may be quickly removed without disturbing any'other part of the machine. The compression chamber 25 is of such length that the action of the spiral feed screw, such as 29, will place sufficient compression on the material to force it through the openings between the knives of the stationary and rotatable cutting members.

I preferably provide the upper and the lower wall of the cutting` chamber 26 with 'grooves or corrugations 55 which are in-` clined with respect tothe longitudinal axisr of the cutting chamber 26, the side walls being round or curved. These grooves are preferably in the form of spirally disposed channels presented in a direction reverse to the direction of rotation of the feed screw 29, and their function is to tend to retard the rotation of the material being fed and prevent the bodily rotation of the mass of 'material as it is fed forwardly under presya preferred embodiment of it which will give in practice satisfactory and' reliable results, it is to be understood that such embodiment is susceptible of modification in vario-us particulars without departing from the spirit or scope of the invention or sacrificing any of its advantages.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is:

1. In a device of the character described, the combination of a casing having feed channels intercommunicating at their rear ends, one of said feed channels terminating at its forward end in a cutting chamber having an opening leading to the other feed channel, a feed conveyer in each of said feed channels, cutting mechanism actuated by one of said conveyers, and means for actuating said feed conveyers.

2. In a device of the character described,` the combination of a casing having feed channels intercommunicating at their rear ends, one of said feed channels terminating at its forward end in a cutting chamber hav- 'ing an opening leading to the other feed channel, a feed conveyer in each of said feed channels, cutting mechanism actuated by one of said conveyers, and means for actuating said feed conveyers to cause the feed conveyer carrying the cutting mechanism to revolve at a higher speed than the speed of revolution of the other feed conveyer.

3. In a device of the character described, the combination of a casing having feed channels intercommunicating at their rear ends, one of said feed channels terminating at its forward end in a cutting chamber having an opening leadingto .the other feed I"channel, cutting mechanlsm 1n said cutting chamber, a feed conveyer in one feed chanvio nel and operatively connected with said cut-y tinginechanism to actuate it, means actuated bysaid feedconveyer V'to feed the material from said cutting chamber, through said opening into; the secondfeed channel, a feed conveyer in said second feedchannel to feed,A

the material rearwardly and pass it into the rear end of said rst feed channel, and actuating means for said conveyers. f

' 4. In adevice of the character described,

the conibinationwwith a casing having feed channels, one offwhich Vterminates i at its forward end in a: cutting chamberhaving a port through itsasidefrwall communicating` with the'other feed channel,l s'aid feedchannels communicating with each other at their rear end, cutting mechanism in said cutting chamber, a feed conveyer in ,one'of said Vchannels to feed the material to` said cutting mechanism and operatively/connected with said cutting mechanism toactuate it, a

feed conveyer in the other of said channels to feed the'material rearwardlyband pass it into the other. channel, and actuating means for said conveyers.

' 5. Ina deviceof thecharacterdescribed,

VVVthe combination with Va casing havingfeed channels,-.one Vof which terminates at ;its forward end in a` cutting chamber having a port `through itsside'wall communicating Vwith the other feedchannehsaid feed chanf nels communicating with'each other at their rear end, cutting mechanism in said cutting chamber, Ya feed conveyer in one fof said channelsto feed-the material to said cutting mechanism andoperatively connectedV with said'cutting mechanism to actuate it, a hollow spiral feed conveyer inthe other of said channels to feed the material rearwardly and pass itwinto the other channel, andY actuating means for said conveyers.

6. In av device of the character described,

the combination of a Vcasing having feed channels located side-by side and 'communieating witheach other at-their rear end, the

Vforward end ofione feed channel terminating in a cutting `chamber having a port in its side wall communicating' with the other. feed channel, a feed conveyer Yin ,each of said channelscut'ting mechanism actuated by one of said feed conveyers, andmeans actuated by one of said feed conveyers to pass the material from the cutting chamber into the juxtaposed feed channel.V 7-5In a device ofthe character described, the combination of` a casing having'feed Y Y' channels disposed side by side and communieating with each other at their rear ends, one of said feed channels terminating in a chamber communicating by a port with the other feed channel, a feed member in said chamber having means to connect it to the juxtaposed feed con-veyer, and a removable a" discharge opening.

closure for. saidchamber and providedV with .8', In .la .device-.ofthe character described, f

the combination` of 'a casing having feed channels communicating with each vother at Q their rear ends, yone of vsaid feed channels ,Y

terminating in .a chamber, a feed conveyer in each feed channel, a feed :member insaid chamber forming a continuation of thejuxtaposed feed conveyer, a closure for said chamber having a discharge spout, and

proximity to said cutting chamber, by a closed wall forming.acompressionzchamber, a feed screw in afeed Vchannel and'extend` ing into the compression chamber, cuttingU i mechanism actuatedby said feed screw, a

feed screw in thel other 'of said feed chan Y nels, and actuating means for said` feed screw.

l0. In a device of the character described, 'Y Y.

a casingfhavinga partition contributing to form Y feed channels communicating withA eachother at their rear ends, one of said feed Y channels terminating in a cutting'chamber Y having anopening communicating with the otherv feedichannel, stationary knives in said cutting chamber, afeed conveyer in one'of;V said channels havingslitsfend extending Yinto I thecuttinglchamber, cutting knivesfixed to such end, ,means actuated byfsaid feed'coii-- Y f veyer to -move the material from said cutting chamber tlfrough said opening into the Yother feed channel, means in such other feed channel to-'feed the material rearwardly'from the cutting chamber and pass it into the other j feed channel, and actuating mea-ns for said feed conveyer and saidV means.V

l1. In a device of the `character described, i.

the, combination ofa `casing having yfeed their rear'ends, one of: said -feedfchaniiels Y channels communicating Awith each other. at Y iro 1 terminating in a cutting chamberfhaving a Y port communicating with. the otherfzfeed i channel, driving mechanism inclu'ding intergeared shafts extending into said feed chan# Y nel, Vfeed conveyers having rtheir ends deting mechanism in said-cutting chamber actuated by one of saidV feed shafts. A

l2. In a device ofthe characterdescribed, theV combinationY of a casing havingY feed channels intercommunicatingl at their rear ends, one of said vfeed channels terminating Y i in a cutting chamber having an'opening com-' municating withv the other feed channel, aV

feed conveyer in each'V channel, actuating means for the feed conveyer, and cutting mechanism inrsaid cutting chamber and ac Y tuated byV one ofs-aid feed conveyers to produce a shear cut on the materialV fed to the cuttingchamber. Y

ria Y tachably connected with said shaft, and cut- 13. In a device of thecharacter described,

` the combination of a casing having feed channels intercommunicating at their rear ends, one of said feed channels terminating in a cutting chamber having an opening through its side Wall communicating with the other feed channel and having a second opening, a closure for said second opening, feed conveyers in said channels o eratively connected to be driven in opposite irections, actuating means for said feed conveyers, one of said feed conveyers extending into said cutting Chamber and having a polygonal shaped end, and cutting mechanism having a polygonal shaped aperture to receive said end whereby said cutting mechanism is removable through said second opening Without interfering With said conveyers.

14. In a` device of the character described. the combination of a casing having feed channels intercommunicating at their rear ends, one of said feed channels terminating in a cutting lchamber' having an opening in its side Wall leading to the other feed channel, the feed channel communicating With said cutting chamber having a Iclosed Wall in proximity to said chamber provided with` spirally disposed channels, feeding means in each of said channels, cutting mechanism in said cutting chamber actuated by one of said feeding means, and driving mechanism for said feeding means.

CHARLES VW. H'OTTMANN. Witnesses:

H. S. FAIRBANKS, C. D. MCVAY.

Copies ot this patent may be obtained for ve cents each, by addressing the Commissioner of Patenti. Washington, D. C. 

